You can upload a file and attach it to an existing support tickets via our API. Use the TicketID (obtained from /partner/submit-ticket endpoint) to identify the ticket you want to attach the file to. Here are some rules regarding the document requirements:

• The maximum allowed file size is 10Mb

• Files must be sent as base64. Make sure the base64 code is valid (must contain the initial file information. E.g. data:image/jpeg;base64